**"A UNIQUE EXTRA"** follows Austin Resford, a once-normal boy who dies in a bus accident, only to be reborn in the world of a web novel he had read as a child. In this strange fantasy world, many possess unique systems, including the hero who holds three powerful ones. Austin awakens in an orphanage, having taken over the body of an unknown boy, with no knowledge of his past. Now, as an extra in a world full of heroes, villains, and hidden powers, Austin must navigate his new life and uncover the secrets of his new identity.